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2018
Polyuria describes the passage of more than 3 l of urine a day. This is an arbitrary definition, and the term is commonly applied to patients who are complaining of passing larger than normal volumes of urine. As water excretion is tightly regulated by the body to maintain normal osmolality, water excretion varies greatly depending on intake.
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Polyuria describes the passage of more than 3 l of urine a day. This is an arbitrary definition, and the term is commonly applied to patients who are complaining of passing larger than normal volumes of urine. As water excretion is tightly regulated by the body to maintain normal osmolality, water excretion varies greatly depending on intake.
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Clinical Pediatrics, 1991
Polyuria may result from either a water or a solute diuresis. Although the history and physical examination may provide clues to the cause of the polyuria, the definitive diagnosis requires laboratory tests which focus on the osmolality of the urine and serum in combination with the urine volume and the rate of excretion of osmoles.
A K, Leung, W L, Robson, M L, Halperin
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Polyuria may result from either a water or a solute diuresis. Although the history and physical examination may provide clues to the cause of the polyuria, the definitive diagnosis requires laboratory tests which focus on the osmolality of the urine and serum in combination with the urine volume and the rate of excretion of osmoles.
A K, Leung, W L, Robson, M L, Halperin
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Differential Diagnosis Of Polyuria
Annual Review of Medicine, 1988Diabetes insipidus (DI) is a syndrome characterized by chronic polyuria and polydipsia. It can result from any of three basic defects: (a) inadequate urinary concentration caused by a deficiency in the secretion or action of the antidiuretic hormone vasopressin (neurogenic or nephrogenic DI), or excessive intake of water caused by a defect in (b ...
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